[INFO] cloning repository https://github.com/antoninhrlt/i2clib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antoninhrlt/i2clib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoninhrlt%2Fi2clib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoninhrlt%2Fi2clib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b07d29bc675109e80d2852e7d226a2a5bca979d0
[INFO] testing antoninhrlt/i2clib against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantoninhrlt%2Fi2clib" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antoninhrlt/i2clib on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-22/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/antoninhrlt/i2clib
[INFO] finished tweaking git repo https://github.com/antoninhrlt/i2clib
[INFO] tweaked toml for git repo https://github.com/antoninhrlt/i2clib written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/antoninhrlt/i2clib already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 757279a95a80bd076acf7b31f0e2a9393cdcb301e7035e5d4712e9ebdb04d228
[INFO] running `Command { std: "docker" "start" "-a" "757279a95a80bd076acf7b31f0e2a9393cdcb301e7035e5d4712e9ebdb04d228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "757279a95a80bd076acf7b31f0e2a9393cdcb301e7035e5d4712e9ebdb04d228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757279a95a80bd076acf7b31f0e2a9393cdcb301e7035e5d4712e9ebdb04d228", kill_on_drop: false }`
[INFO] [stdout] 757279a95a80bd076acf7b31f0e2a9393cdcb301e7035e5d4712e9ebdb04d228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ebb7f160a53d458bb6e0f9e516dd28d8e548855e0bc485d810184485cbb89b3
[INFO] running `Command { std: "docker" "start" "-a" "0ebb7f160a53d458bb6e0f9e516dd28d8e548855e0bc485d810184485cbb89b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling i2clib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/device.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/device.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/device.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoRawFd`, `RawFd`
[INFO] [stdout]  --> src/device.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::os::unix::io::{RawFd, IntoRawFd};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `addr`
[INFO] [stdout]   --> src/device.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     addr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/device.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn write(&mut self, data: u32) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]   --> src/device.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fill`
[INFO] [stdout]   --> src/device.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fill`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `driver`
[INFO] [stdout]   --> src/device.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     driver: Driver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/device.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/device.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sda`
[INFO] [stdout]   --> src/driver.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     sda: Gpio,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sck`
[INFO] [stdout]   --> src/driver.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     sck: Gpio,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HIGH_SPEED_MODe` should have an upper case name
[INFO] [stdout]   --> src/speed.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const HIGH_SPEED_MODe: Speed = 3400;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `HIGH_SPEED_MODE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "0ebb7f160a53d458bb6e0f9e516dd28d8e548855e0bc485d810184485cbb89b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ebb7f160a53d458bb6e0f9e516dd28d8e548855e0bc485d810184485cbb89b3", kill_on_drop: false }`
[INFO] [stdout] 0ebb7f160a53d458bb6e0f9e516dd28d8e548855e0bc485d810184485cbb89b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be35f2d2347b6fde139ee8666992331643edf342771086527371460173717d80
[INFO] running `Command { std: "docker" "start" "-a" "be35f2d2347b6fde139ee8666992331643edf342771086527371460173717d80", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/device.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/device.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/device.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoRawFd`, `RawFd`
[INFO] [stdout]  --> src/device.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::os::unix::io::{RawFd, IntoRawFd};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `addr`
[INFO] [stdout]   --> src/device.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     addr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/device.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn write(&mut self, data: u32) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]   --> src/device.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fill`
[INFO] [stdout]   --> src/device.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fill`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `driver`
[INFO] [stdout]   --> src/device.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     driver: Driver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/device.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/device.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sda`
[INFO] [stdout]   --> src/driver.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     sda: Gpio,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sck`
[INFO] [stdout]   --> src/driver.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     sck: Gpio,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling i2clib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `HIGH_SPEED_MODe` should have an upper case name
[INFO] [stdout]   --> src/speed.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const HIGH_SPEED_MODe: Speed = 3400;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `HIGH_SPEED_MODE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/device.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/device.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/device.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoRawFd`, `RawFd`
[INFO] [stdout]  --> src/device.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::os::unix::io::{RawFd, IntoRawFd};
[INFO] [stdout]   |                         ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `addr`
[INFO] [stdout]   --> src/device.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     addr,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `device::Device`, `driver::Driver`
[INFO] [stdout]  --> tests/src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     device::Device,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     driver::Driver,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sda`
[INFO] [stdout]   --> tests/src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let sda = Gpio::new(3);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_sda`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sck`
[INFO] [stdout]   --> tests/src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let sck = Gpio::new(5);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_sck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/device.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn write(&mut self, data: u32) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shape`
[INFO] [stdout]   --> src/device.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fill`
[INFO] [stdout]   --> src/device.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fill`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `driver`
[INFO] [stdout]   --> src/device.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     driver: Driver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/device.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/device.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sda`
[INFO] [stdout]   --> src/driver.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     sda: Gpio,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sck`
[INFO] [stdout]   --> src/driver.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     sck: Gpio,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HIGH_SPEED_MODe` should have an upper case name
[INFO] [stdout]   --> src/speed.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const HIGH_SPEED_MODe: Speed = 3400;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `HIGH_SPEED_MODE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.47s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/i2clib-2f0912762488b55c)
[INFO] [stderr]   Executable tests/src/main.rs (/opt/rustwide/target/debug/deps/src-0668312c680efd09)
[INFO] running `Command { std: "docker" "inspect" "be35f2d2347b6fde139ee8666992331643edf342771086527371460173717d80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be35f2d2347b6fde139ee8666992331643edf342771086527371460173717d80", kill_on_drop: false }`
[INFO] [stdout] be35f2d2347b6fde139ee8666992331643edf342771086527371460173717d80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70e61df16380d1ba0bdde06e4f2b5ec79deccaba74ac0c611f899928bf78f903
[INFO] running `Command { std: "docker" "start" "-a" "70e61df16380d1ba0bdde06e4f2b5ec79deccaba74ac0c611f899928bf78f903", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/device.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/device.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/device.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IntoRawFd`, `RawFd`
[INFO] [stderr]  --> src/device.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::os::unix::io::{RawFd, IntoRawFd};
[INFO] [stderr]   |                         ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `addr`
[INFO] [stderr]   --> src/device.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     addr,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/device.rs:32:29
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn write(&mut self, data: u32) {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shape`
[INFO] [stderr]   --> src/device.rs:40:28
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stderr]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_shape`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fill`
[INFO] [stderr]   --> src/device.rs:40:42
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn draw(&mut self, shape: Shape, fill: bool) {
[INFO] [stderr]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_fill`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `driver`
[INFO] [stderr]   --> src/device.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     driver: Driver,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]   --> src/device.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]   --> src/device.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sda`
[INFO] [stderr]   --> src/driver.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     sda: Gpio,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sck`
[INFO] [stderr]   --> src/driver.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     sck: Gpio,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `HIGH_SPEED_MODe` should have an upper case name
[INFO] [stderr]   --> src/speed.rs:17:11
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const HIGH_SPEED_MODe: Speed = 3400;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `HIGH_SPEED_MODE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `i2clib` (lib) generated 14 warnings
[INFO] [stderr] warning: `i2clib` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr] warning: unused imports: `device::Device`, `driver::Driver`
[INFO] [stderr]  --> tests/src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     device::Device,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 7 |     driver::Driver,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sda`
[INFO] [stderr]   --> tests/src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let sda = Gpio::new(3);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_sda`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sck`
[INFO] [stderr]   --> tests/src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let sck = Gpio::new(5);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_sck`
[INFO] [stderr] 
[INFO] [stderr] warning: `i2clib` (test "src") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/i2clib-2f0912762488b55c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/src/main.rs (/opt/rustwide/target/debug/deps/src-0668312c680efd09)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests i2clib
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/speed.rs - speed::Speed (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70e61df16380d1ba0bdde06e4f2b5ec79deccaba74ac0c611f899928bf78f903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e61df16380d1ba0bdde06e4f2b5ec79deccaba74ac0c611f899928bf78f903", kill_on_drop: false }`
[INFO] [stdout] 70e61df16380d1ba0bdde06e4f2b5ec79deccaba74ac0c611f899928bf78f903